Other data on distribution of Brazilian Tradescantia (and also other Commelinaceae) should be taken from The Brazilian Flora Website
http://floradobrasil.jbrj.gov.br/jabot/listaBrasil/PrincipalUC/PrincipalUC.do?lingua=en
Best regards,
Marco Pellegrini

This and other Tradescantia names need to be updated according to my recenthly published article. It can be found at TAXON http://dx.doi.org/10.12705/641.3
In case you are no able to have access to the paper, don't hesitate to contact me.